Doorstop



E. W. MASON DOORSTOP Feb. 4, 1941.

Filed Jan. 26, 1940 INVENTOR. 'EDW/A 14 MASO/V ATTORNEYS Patented Feb. 4, 1941 UNITED STATES PATENT OFFICE DOORSTOP Edwin W. Mason, Wortendyke, N. J., assignor of one-half to Avery Stirratt, Baldwin, N. Y.

The invention relates to doorstops of holders and more particularly to a device of this character which is utilized to hold a door in open position by a retaining member mounted upon the baseboard extending along the wall adjacent the door, which member cooperates with an accessory thereto mounted upon the inner surface of the door in proximate opposite relation to the main holding member when the door is swung to its completely open position.

The object of the present invention is to provide a door holder of simple construction and relatively few parts capable of application with facility and dispatch and which is effective to hold the door open in fixed position but which nevertheless shall be capable of permitting the ready releasing of the door. A further object of the invention is to provide a device of this character which, both in its application and its operation, shall not mar or deface the door, the baseboard or the floor of the room to which the door constitutes a means of ingress and egress.

A further object of the invention is to provide a door holding device which makes possible the alteration of the tension, both by increase and decrease thereof, with which the door is held in open position against the baseboard, so that such holding tension may be adjusted to suit the requirements of the particular door to which it has been applied.

Thus, in the structures of the prior art, the degree of holding tension thereof being fixed either by the shape, form, size, or constitution of the device at the time of its application, repeated use of the device eventually loosens the original degree of tension and the device after some period of use, becomes inefi'ective. While my novel holding device is so constructed and configured that the original degree of tension will remain fixed substantially throughout the life of the device, as originally applied, nevertheless, if such degree of tension should be found to require change, such alteration of the degree of tension may be readily accomplished. To illustrate, if the device is utilized to hold a door constituting the means of communication between a hallway and the street, the degree of tension may be desired to be changed from season to season. For instance, in the winter season, 'draughts might be eliminated by decreasing the tension of the holding device, so that if accidentally the door is pushed open to a suificient extent to have it abut the device fixed upon the baseboard, the tension of the holding device will not be so great as to make it diificult to quickly and readily disengage the door from'the holding device. On the other hand during the summer season, it may be of advantage to have the holding tension of such degree as to insure a definite securement of the door in open position against the baseboard and to prevent draughts of air from releasing the door from the holding device. To illustrate further, in the case of the use of the holding device upon a nursery door, the capacity of the device to have its holding tension increased or decreased may be taken advantage of as the child advances in years, so that the small child will not be able to close the door to the nursery as it wouldbe incapable of exerting the strength necessary to release the door from the holding device. This particular advantage of my novel construction will also appeal to parents of small children who are prone to lock themselves in a bathroom. By the use of my novel device, the tension on the holder may be .so increased that once a bathroom door is brought to the open position, a small child would not be able to dislodge it from such position,

until a grown-up person efiects such dislodging.

My novel door holding device is characterized primarily by'the eccentricity of the internal screw by means of which the male member of the structure is secured to the baseboard. This .eccentricity-permits the application of the male member of the door holder to the baseboard in a manner first defining the point in the door surface to which the female member is to be applied, and

A specific embodiment of my invention is illustrated in the accompanying drawing, in which Fig. 1 is a perspective view of the component parts of my novel holding device as applied to the baseboard and the door; Fig. 2 shows the male member of the device secured to the baseboard and the manner of determining the exact position of the female member upon the surface of the door; Fig. 3 is a vertical section through the female member and securing screw, the member being applied to the door; Fig. 4 is a vertical section through the door holding device in the position of its component parts in efiecting the holding of the door in open position against the baseboard; Fig. 5 is a section along the line 55 of Fig. 4, showing the eccentricity of the integral screw by means of which the male member of the device is secured to the baseboard; Fig. 6 is a plan View of the female member of the device;

of a metal casting l3 having a lobe l4 integral therewith, the lobe having a pointed extremity and being provided with a square nut-like .pro -I jection l5 for application of a wrench thereto, the projection being disposed intermediate the extremity of the lobe and the ma-in body of the casting l3. As shown in Figs. 2 and4, "a groove is provided intermediate the pointed extremity and the projection l5.

Extending from the opposite end of the casting .I3'is an integral screw [6, disposed, as shown clearly in Figs. 4 and 5, eccentrically of the center line of the casting. The larger portionof the lobe. I4, after the securementof the component elements, may have applied thereto, a resilient tip or sheath I! for instance, of rubber, to take up .the shock upon the abutment of the door against the stop. Such rubber tip or sheath, as .shown in Fig. 7, is formed with an aperture l8 approximating in diameter the diameter of the section of the lobe between the projection I5 and the end of the main body of the casting I3, and with an aperture IQ of smaller diameter, approximately fitting the reduced neck portion of the lobe. Intermediate these apertures, the interior of the rubber sheath is recessed sufficiently to accommodate the square-nut projection 15.

The female member of my novel holding structureis constituted of a cup holder Zllhaving an aperture 2| slightly larger in diameter than the .diameterof the pointed portionof the lobe I4. Integral with the cup holder 20 and extending inwardly from the peripheral edge thereof, is a plate 22 having an aperture 23 through which aperture, after having passed through the aperture 2| in the cup holder, is passed a screw 24 for securing the cup holder to the face of the door Ill. The manner of application of my novel door holding device is as follows:

With the rubber tip. or sheath I! removed, the

casting I3 is screwed into the baseboard using a wrench on the square nut IS. The door I0 is .then opened until the surface thereof abuts the pointed tip of the lobe [4 thereby making a small contact mark on the door surface. The cup holder is then placed over this mark, with the mark exactly in the center of the aperture 23 (or the aperture 2 I) and the cup holder is screwed tightly to the door. The casting I3 is then turned degree of tension, the rubber sheath or tip I! is replaced upon the lobe M of the casting.

: It will be noted that my novel construction of door holder provides a single point of contact between the lobe and cup holder and that a permanent, rigid, locking action is secured through the pliancy of the casting l3. While such casting is made of metal, I have found that its pliancy is suflicient to assure a rigid and fixed degree of holding of the door in open position by means of my novel device.

While I have described a specific embodiment of my invention, it is obvious that various changes may be made therein, particularly in the arrangement and configuration of the parts thereof. Thus, while I have shown and described a square nut on the lobe, it is obvious that a hexagonal nut may be used, and while I have described a specific type of cup holder and its manner of securement to the door, it is obvious that similar devices, for instance, an ordinary strike plate having an aperture, may be used in conjunction with a countersunk hole in the surface of the door, without departing from my invention.

I claim:

1. A door holder comprising an elongated male member havin an integral screw extending from one endface thereof, said integral screw being disposed eccentrically of the center line of said member which has an integral lobe at the opposite end thereof, said integral lobe having a nutlike projection intermediate its ends and terminating in a tapered end portion, a groove in said integral lobe intermediate said nut-like projection and said end portion, and a one-piece cuplike member adapted to be secured to the surface of a door in cooperative juxtaposition with said elongated member, said cup having an aperture of greater diameter than the diameter of said end portion for entry of the latter intosaid cup, said male member being adjustable laterally of the cup member by rotation of said screw to predetermine the force required for interengagement and disengagement of the said member.

2. Structure according to claim 1 including a rubber sheath surrounding the nut-like projection and seated in the groove in said integral lobe.

EDWIN W. MASON. 

